the beginning of the tests (which reconfigures LyX and takes some time),
followed by all of the tests using it. This way, we get only the default
configuration of LyX as a base, without being affected by individual users
custom configurations.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@37408 a592a061-630c-0410-9148-cb99ea01b6c8